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Gre4nikov [31]
3 years ago
5

Solve for x: 3x-3=x-19

Mathematics
2 answers:
WINSTONCH [101]3 years ago
7 0

Answer: x = -8

Step-by-step explanation: 2x=-16, x=-8

bearhunter [10]3 years ago
4 0

Answer:

-8

Step-by-step explanation:

3x - 3 =x - 19

3x - x =-19 +3

2x =-16

x=-16 :2

x=-8

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Lisa solved 448 math problems for homework over 28 days if she solved the same number of problems each day, how many problems di
SpyIntel [72]

Let P = number of problems solved per day.

P = 448/28

P = 16

Lisa solved 16 problems per day.

7 0
3 years ago
i need to find the zeros by factoring but im stuck plss help me i think the zeros may be 0, 1, -4, and 4 but i dont know how to
Sveta_85 [38]
This should help you on how to get the zeros and the answer for the bottom question is A

5 0
2 years ago
Read 2 more answers
. (a + b)2 – (2a – b)
inn [45]

Answer:

(-b) is the answer.

Step-by-step explanation:

2(a-b)-(2a-b)

=2a-2b-2a+b (opening the brackets)

= -b

Hope this helps you buddy. Have a nice day^_^.

If you have doubt then you can ask in comments. I will surely answer.

3 0
2 years ago
Read 2 more answers
A 20° sector in a circle has an area of 684 yd2.
olga_2 [115]
20 x 18 = 360

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18 x 684 yards squared = 12,312 yards squared

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Answer:

12,312 yards squared
8 0
3 years ago
Use an algebraic equation to find the measures of the two angles described below. begin by letting x represent the degree measur
Lina20 [59]
Two angles are said to be supplement when their measure add up to 180 degrees.

Assume that the angle we are looking for is a and its supplement is s (I used s instead of x).

a + s = 180
a = 180 - s ......> equation I

We know that <span>the measure of the angle is eight times greater than its supplement.
This means that:
a = 8s ......> equation II

Substitute by equation II in equation I to get s as follows:
180 - s = 8s
180 = 9s
s = 20 degrees

Substitute in equation I to get the measure of the angle as follows:
a = 180 - s = 180 - 20 = 160 degrees

Based on these calculations:
The measure of the angle is 160 degrees
The measure of its supplement is 20 degrees</span>
4 0
3 years ago
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